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Arturo Pomar Salamanca vs Efim Geller
Stockholm Interzonal (1962), Stockholm SWE, rd 19, Feb-27
King's Indian Defense: Four Pawns Attack. Exchange Variation (E79)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Oct-09-15  M.Hassan: "Difficult"
White to play 20.?
Sides are equal

20.f5!

A) 20............gxf5
21.Qg5+ Kh8
22.Qf6#

B) 20............Qxe4
21.f6+ Kh8
22.Qh6 threatening mate on g7 Rg8
23.Rf4 Qe5
24.Rh4 to mate on h7 Qh5
25.Rxh5 gxh5
26.Qxh5 Nxe7
27.fxe7
White is stronger at this point and should win.
Time to check

Oct-09-15
Premium Chessgames Member
  al wazir: I found the first three moves, but then the complications multiply. Black has alternatives like 24...Rg6, 26...dxe5, and 29...Rg8. They all lose, but seeing that ahead of time is part of the solution.
Oct-09-15
Premium Chessgames Member
  morfishine: <20.f5> yadda, yadda, yadda
Oct-09-15
Premium Chessgames Member
  Check It Out: I saw 20.f5 all the way through to 23. Rf3, but 23...g5 surprised me. Agree with <capablancakarpov>'s comment from many years ago.
Oct-09-15
Premium Chessgames Member
  gofer: <20 f5 ...>

20 ... g5
21 Qxg5+ Kh8
22 Qf6#

20 ... gxf5
21 Qg5+ Kh8
22 Qf6+ Kg8
23 Nxf5+ mating

20 ... Nxe7
21 f6+ Kh8 (Kg8 Qh6 mating)
22 fxe7 Re8
23 Qxd6

20 ... Qxe4
21 f6+ Kh8
22 Re1 Qh4
23 Qxd6

<20 ... f6>

I think this the most robust defence and I am struggling to see a clear win from here for white...

21 fxg6 Nxe7
22 gxh7 Ng6

looks complex

...perhaps white's best is...

<21 Nxc6 Qxc6>
<22 Rac1 ...>

Hoping for Qxe4 which loses quickly...

<22 ... Qb6>
<23 Rc3 ...>


click for larger view

~~~

Hmmm, don't like this POTD at all!!!!

Oct-09-15
Premium Chessgames Member
  diagonalley: ugh! ... <diagonalley> nul points :-(
Oct-09-15  wooden nickel: 20.f5 is certainly a good move, however 20... f6 defends... I wonder why Geller didn't go for that line?!
Oct-09-15  The Kings Domain: Puzzles are nice, especially when you get them. :-) Smooth combination by white, such executions are a balm to the soul (heh).
Oct-09-15  Monocle: I saw 20. f5, but I couldn't see anything great after 20... f6. White doesn't seem to have much more than a small advantage.

<dfcx: If black refuses the knight, for example 20...f6 21.fxg6 hxg6 22.Qxd6 and is a pawn ahead.>

20.f5 f6 21.fxg6 Nxe7.

Oct-09-15
Premium Chessgames Member
  kevin86: This attack will end in mate.
Oct-09-15  saturn2: I had f5 and calculated more on blacks answer f6 than on Nxe7 the second resulting in a dangerous attack after king and night are forked by whites f6 Ok white wins a pawn in the first variation, but does not white also win a pawn if he plays Qxd6 right away?
Oct-09-15  StevieB: What was wrong with 24.Rh3?
Oct-09-15  framsey: I'm confused. I saw 20.f5, but then didn't see how to proceed after 20...f6. That seems to give white an edge, but not the clear winning advantage you expect from a tactics puzzle.

Stockfish agrees and calls that line +0.86.

Oct-09-15  psmith: I am with the others who saw f5 but no clear follow-up to f6.
Oct-09-15
Premium Chessgames Member
  chrisowen: Viktor e7 and pawn f5 first angle it each in.

Effect could f6 have viva saved and well yes am boot f5 in time thod carry in light f6 just am point ahead and win surfaces after e6 in rooks e8 grateful evermores ave then abreast amp line black has life it egg ever ave sac left in tank can play a while in fatale queen e6 good bad e8 forth and light wins kaputz it each in zoo roast urm bricabrac rub c4 band i now waste it ergos an i fine e6 good bad rook a8 slide away in light has sight of back rank and mate in stop tip put pat taps and spat pants away am good for naps at f7 final and calls at dab pan tan span an vid din dins up while it hindsight in dish him com chin maid dim match muck mince it eg gum again uniform appraisal road of nails ago fun cog came it each in of focus and focal point f6 holds an knight turn in e7 fetch i no good vow allow f6 push affable it each in aid h6 huffle it ebb.

In f3 and good g5 in am just tonic ever am vow in light has plus but black can hold again e6 hustle in fatale go build pat blip what nit pick in patch boot ah post apply songs of sorrow am prim bustle it egg up again as ha gup podium district va va voom f5 in fag bint back flurry and while it was in would f6 got off angle it ebony at back foot light bain f5 pushy f6 among h6 and good in front although.

Black again e6 could hold maybe in time it her bind have neck success ha zip saves back chubb engage as if i fase i fasten i safety bud have exhonorated have woah at basically i bandana brain beat this thistled hot honky thin pick abba wheel last past name hither come have i barrage tick tock tithe ground as hive thin pick jail i jag jain f5 religion i jam pj too pan to jim up jive jap juice in am good dish dash an ghost ghoul i dosh up lair f5 flubb f6 an good go ok it each in am low as light f6 at win could sink kid flap pave it her bind hint wins again h6 am bid for won i proof f6 act calm an good i guffaw am cad an glorify oh door as put in flurry back title it each in aim dipoff i be it have oomph aim farm clink in fly aim door duo dial i cutoff in ebb good duo glib ash dips duo dogs ash glow too gabs act dunk i done vow an deal i cutoff point nook and cranny avid among hot potato ohm bind queen i et tu brute in uniform appraisal dink alive no more delve aid camp in eg back often eg liege nt aids an gangway in do man cutoff point back boot 20.f5 Nxe7 host feints ho hob hock choose hod carrier hoe down hoof hog hoh hoi polloi josh hook man home honor hoop either as have in e6 quosh horde host hot house hovel how ahoy bosh cosh dosh gosh ooh.

Posh show thought tho flange vines flyers fluffs among foghad flushy ammos fights and in flocks i calm fakirs all at favour efface off safe fiefdom ever off energy life effort fences of fob ever tickle boffin eachway am bet i feel in feet back boon 20...f6 plus one ahead light in low am title it each in at i 21.f6+ hands foghorn blows faction away in light favours at i 21...Kh8 22.Qh6 Rg8 23.Rf3 g5 24.fxe7 Rae8 coffer evermores again am erstwhile in minds am famile go build flurry it might be in focus am vents again an focal points i entertain as ghoul heffalump again am fancy another bind green am gauge in bind 24...Qe6 25.Qxe6 fxe6 equal eachway again effaces off at efforts angle in ebb entraps enter egghead light plus after c1 for cred am as have ahead slightly in fancy lights f7 also staff am good an fluff 25.Qf6+ job at fanfare in aids fluffer tile ground angle vents forsees an oomph fastens again floater arrive an oodles of room of in egger 25...Rg7 26.e5 d5 or trades 26...dxe5 27.Rd1 Qxa2 28.Rd8 mate looms an push in efforts 27.e6 fxe6 28.Qe5 Qc8 mate eleven am throwaway 28...Qf4 chucks lady and back rank very strong white win am fancifuls 29.Rf7 mate on 10 band viktor kind to roof druid chain f6 fagpins la ship i bind baby f5 og as wash plans man sac fog goth f5 gum off top pin do focus hunt rich again rad rid jam wash thin am lady cooks h6 at ramp hatband rump glad rumbaba samba wash back pond ar and ash back spin add in cast back palm da band mould f6 l0 win as ha sac i job at hand said i h6 id oomph aid district cog vim chin.

Plans main robafoots cast slim man pop ok in odd gad akin palms as most light dock an f3 hail banks cap again cup pack f5 draw am flack for clop ebb it e6 in fatale it each in f7 lift an faraways am victory an draw as call i wag spot black f6 out.

Oct-09-15
Premium Chessgames Member
  Marmot PFL: Was looking for a forced line so I didn't consider 20 f5 much. Can't black just decline with 20...f6?
Oct-09-15
Premium Chessgames Member
  Marmot PFL: For example 20 f5 f6 21 Qxd6 Rad8 22 Qa3 Qxe4 (or 22...Rd3)
Oct-09-15  amer.alhabsi: 24. .. Qe6 (instead of Re8) forces the exchange of queens and relieve the pressure.
Oct-09-15  hcgflynn: <amer.alhabsi>true, though i think after the queen exchange white plays rf7 and raf1 and then it is hopeless too.
Oct-09-15  PJs Studio: I was so caught up with 20...f6 as a reply o couldn't figure it out. After I saw Gellers choice of 20...Nxe7 I found most of whites moves.

I could believe he didn't play 20...f6!

Oct-09-15  TimothyLucasJaeger: I discarded 20. f5 because of 20. ... f6 and pretty much gave up.

Over the board i think i would have played 20. Rc1 in an effort to activate my rooks if white should respond 20. ... Qxe4 21. Re1, or take over the dark squares after 20. ... Qxa2 21. Qxd6 Qxb2 22. e5

Oct-10-15  PJs Studio: I COULDN'T believe he didn't play 20...f6!
May-31-16  cunctatorg: From the chess.com site, 5/31/2016: "Alexander Kotov famously said: "If Pomar had been born in the Soviet Union, he would have been a World Championship contender." "
May-31-16  RookFile: The 4 pawns is a good way to play against the King's Indian. White gets to have the initiative, rather than grab a pawn on a7 and hope to survive black's kingside counterattack.
Sep-16-17  Eduardo Bermudez: Pretty good game by Pomar !
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